whether用法

whether意为“是否；无论……（仍是……）”，表示迟疑或两个可能性之间的选择。whether有如下三种常见表达：

(1) whether to do sth. 意为“是否……”

(2) whether ... or ... 意为“是……，仍是……呢？”

(3) whether ... or not 意为“不管……，无论……”

Example: There were times when I wondered whether or not we would get there.

我曾几度怀疑咱们可否到达那里。

Example: I didn’t know whether to believe him or not.

我不肯定该不应相信他。

Example: She was uncertain whether to stay or leave.

她不肯定本身是去是留。

Example: Whether or not we’re successful, we can be sure that we did our best.

无论可否成功，咱们真的已经尽力了。