Correct
留一手
/ liúyīshǒu /
Strokes
Definition
to hold back a trick/not to divulge all one's trade secrets
Example
As a Verb
hold back a trick or two (in teaching a trade or skill)
1
Nāwèi
那位
lǎoshīfù
老师傅
zǒngshì
总是
bǎ
把
zìjǐ
自己
de
的
jìyì
技艺
qīngnáng
倾囊
xiāngshòu
相授
,
cóngbù
从不
liúyīshǒu
留一手
。
The old worker always taught his apprentices his craftsmanship without any reserve.