Adjust how tight you keep your lips, Sometimes keeping them loose works, some times not.

调整保持你的唇绷紧(程度)，有时保持(嘴唇)松弛的(状态)，有时不。

youdao

Some in the industry apparently do not want to pay for CFC substitutes, which can run five times the cost of CFC's.

一些业内人士显然不想购买氟氯化碳替代品，因为后者的价格是氟氯化碳的5倍。

youdao

They have been frowned upon, if not outright condemned, many times. Some people even refuse to open the door.

他们遭到了不少冷眼，好多人干脆就不开门。

youdao

it's not as good as helping debug, sorry, that's the wrong way of saying it's not as good at catching some things before you run them, it is easier at some times in debugging as you go along on the fly.

它在帮助我们调试方面可能不是太优秀，对不起，这么说有点不正确,它在运行前捕捉错误,可能不是那么优秀，可能边运行边调试,会更容易一些。

麻省理工公开课 - 计算机科学及编程导论课程节选

It is apt to come irregularly, at some times and places not at all.

ECONOMIST: Third-world water and the private sector

It covers the period from 2007 to the present because I wanted to demonstrate not only the validity of the seasonal trends, but also to point out some of the times when crude did not follow the typical seasonal pattern.

FORBES: The Four Key Seasonal Trends for 2012

They know that some times have been rough, but maybe not how rough .

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