for a long while是什么意思

for a long while是什么意思

意思是：常久，过了很长一段时间。

例句：
1、Working at low intensity means that you can continue to perform the activity for along while.
低强度意味着你可以持续长时间从事这一活动。
2、They sat looking at each other for a long while.

他们坐着对视了很长时间。
3、For a long while he remained speechless.

他愣了半天没说话。
4、She turned the matter over in her mind for a long while, but still could not come to a decision.

她忖量了半天，还拿不定主意。
5、I haven't seen him for a long while.

我好久没看见他了。

常.久