脱口说英语口语校园习语大全
K-5：keep one's hand it 练习
A:What do you do first in the morning? A:你早晨起来第一件事做什么？
B:I play the violin to keep my hand in. B：拉小提琴，练练手。
A:Yes? Is it necessary for an expert like you? A:是吗？像你这样的专家有必要吗？
