lose/keep trace/track (of)
多说无用
keep one's breath to cool one's porridge
暂无补充释义。
keep one's breath to cool one's porridge
暂无补充释义。
lose/keep trace/track (of)
keep sth. a secret from sb.
keep out of
keep quiet
keep under control
keep on
keep one's word
lose/keep one's head