子午卯酉

(from midnight to noon and from sunrise to sunset—)

1. from beginning to end; from start to finish

♦ 问个~ get to the bottom of things

2. reason; argument

♦ 他吭哧了半天, 也没有说出个~。 He hummed and hawed for quite a while, failing to come out with any convincing argument.

3. result; achievement

♦ 没混出个~ have accomplished nothing; have got nowhere