一手

1. proficiency; skill

♦ 露~ show off one's skill

♦ 业务上有~ be proficient in one's own line; know one's stuff

♦ 他有~好手艺。 He's a real craftsman. or He's a master of his craft.

2. trick; move

3. single-handed; all by oneself; all alone

♦ 这场争端是他们~挑起的。 The dispute was all started by them.