at intervals
... without fail一向如此 at intervals不时,每隔. at large大多数(duoshu),未被捕获(bohuo)的 ...
from time to time
... from now on 从这个时候起以后; 今后 from time to time 不时;有时候 get along / on (with) 进展;与…...相处 ...
now and then
反复地), (every)now and again(有时,时而), over and over again(一再), by and by(不久以后), now and then(不时地), here and there(到处), sooner or later(迟早), more or less(或多或少), side by side(肩并肩地), hand in hand(手...
at times
... at this rate 这样的话,照此速度 at times 有时,不时 at work (人)在工作;忙于 ...
不时为汉语词语,有,有的时候会,有的时候不会,或时时、经常的意思。