留一手 [
liú yì shǒu]
hold back a trick or two (in teaching a trade or skill)
- 我留一手,暂时不把这一想法说出来。
I'm keeping this idea up my sleeve for the time being. - 双方的合作往往是在担心、怀疑、留一手的情况下进行着。
Cooperation between the two sides often in fear, doubt, the circumstances of the room. - 凡事留一手,是生活和成功的伟大准则,身处高位者,尤应如此。
To keep a reserve is a great rule for life and for success, especially for those in high place.