相比在树上筑巢的同种类雏鸟，在地面筑巢的鸣禽雏鸟会发出频率更高的乞食叫声。
The young of ground-nesting warblers produce begging cheeps of higher frequencies than do their tree-nesting relatives.
一个典型的例子就是鸣禽的雏鸟在父母带着食物归巢时所表现出的吵闹的乞食行为。
A classic example is noisy begging by nestling songbirds when a parent returns to the nest with food.
因此，一只以其兄弟姐妹为代价来获取食物的乞食雏鸟实际上可能会比其它雏鸟留下更少的基因副本。
Therefore, a begging nestling that secures food at the expense of its siblings might actually leave behind fewer copies of its genes overall than it might otherwise.
既然捕食者可以让雏鸟为食物付出巨大代价，那么乞食的雏鸟们到底可以从这种交流方式中得到什么益处呢？
Given that predators can make it costly to beg for food, what benefit do begging nestlings derive from their communications?
人们发现，录音机在播放树上筑巢的鸣禽的乞食叫声时，比起在播放地面筑巢的鸣禽的乞食叫声时，鸟蛋被攻击的几率明显增大。
The eggs "advertised" by the tree-nesters' begging calls were found bitten significantly more often than the eggs associated with the ground-nesters' calls.
David Haskell 制作了一些盛有泥蛋的人造鸟巢并把它们放在地面上，旁边有一个录音机，播放着树莺或地面莺的的乞食叫声。
David Haskell created artificial nests with clay eggs and placed them on the ground beside a tape recorder that played the begging calls of either tree-nesting or of ground-nesting warblers.
如果雏鸟双亲是根据雏鸟乞食的叫声响亮程度来把食物分给叫声响亮的健康雏鸟的话，那么鸟类双亲就是根据雏鸟乞食声音来决定如何分配食物的。
If parent birds use begging intensity to direct food to healthy offspring capable of vigorous begging, then parents should make food delivery decisions on the basis of their offsprings' calls.
男人可以去乞食，女人就得去卖身。
当他老得不能干活的时候，只好乞食度日。
When he was too old to work, he had to beg for food to stay alive.
那狗用两只后腿站着乞食。
我需要乞食，流落街头，或者留在山洞里。
I begged for food, stayed in the streets or in caves in the mountains.
有一天，他们遇到了一只狐狸，猴子和兔子，便向它们乞食。
One day they met a fox, a monkey and a rabbit, and they begged for food.
使他的子孙流离失所，沿门乞食，使他由残破的家室里，被人逐离。
May his children go begging, driven out of their ruined homes.
很快我就注意到有佛教的僧众和他们的学徒们身穿法袍，每天托钵乞食。
Shortly after we arrived there, I began to see the Buddhist monks and the apprentices who would wear the saffron robes and would go out each day to ask for their meals.
他走到每天经过的街道，看见一个姑娘在门边站着，这个姑娘是等他来乞食的，这是每天的惯例。
He walked to the street where he passed by every day and saw a girl standing by the door. The girl was waiting for his customary visit.
可能是音高的变化使得乞食声没那么能打动人，获得的食物也随之变少，狐獴没办法就只好自谋生路。
This change in pitch might make their begs less persuasive, eliciting less food and leaving the juveniles no option but to forage on their own.
他命中注定是乞丐，他就接受这个事实，努力做一位好乞丐、出色的乞丐，陶醉在沿街乞食的生活中。
If he is doomed to be a beggar, he has to accept the fate and then try his best to be an excellent beggar. He is intoxicated with the life of begging along the street.
我经常看到饥饿的孩子在街头乞食，衣着破烂的老人在报纸下酣睡，一群潦倒的青少年在用毒品忘却痛苦。
I'm used to seeing dirty, starving children begging in the streets, unkempt old men sleeping -under newspapers, and hopeless teen-agers forgetting their pain in glue and needles.
我以及我的僧侣们四出乞食，就是为了和每个我们所遇到的人结一个善缘，我的目的是为了利益每一个人。
The reason for me and my Sangha to go begging in all directions is to make a positive connection with everyone we meet. My objective is to benefit everyone.
因为乞食需要消耗一定的精力，贝尔博士推断幼仔吵闹的程度取决于它们估计自己的吵闹能得到的回报的多少。
Because begging has a cost in terms of energy, Dr Bell speculated that the amount of noise pups make should depend on the degree to which they think they will get a return on their work.
她是以自信架起的希望灯塔，是弱小者手心的一片爱的阳光，是乞食者心中的一块甜美的奶酪，是冷淡者融化冰山的熊熊烈火。
She is a self-erecting a beacon of hope is the weak who love the palm of a sun, is a beggar who hearts of a sweet cheese, is cold to melt the tip of the raging fire those.
饥饿乞食：这个少年乞丐，也是来自于大其力附近地区的阿卡部落的土著，3月31日在大其力指望旅游者慷慨解囊为她解决日常生计。
Hungry for help: This child beggar, also from the Akha tribe indigenous to the area near Tachilek, looks to tourists' generosity for her daily subsistence on March 31 in Tachilek.
饥饿乞食：这个少年乞丐，也是来自于大其力附近地区的阿卡部落的土著，3月31日在大其力指望旅游者慷慨解囊为她解决日常生计。
Hungry for help: This child beggar, also from the Akha tribe indigenous to the area near Tachilek, looks to tourists' generosity for her daily subsistence on March 31 in Tachilek.
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