while
- conj. 虽然；然而；当……的时候
- n. 一会儿；一段时间
- vt. 消磨；轻松地度过
英英释意
- 1. a period of indeterminate length (usually short) marked by some action or condition;
- "he was here for a little while"
- "I need to rest for a piece"
- "a spell of good weather"
- "a patch of bad weather"