请输入您要查询的英文单词：
单词
ˌold ˈhand
释义
ˌold ˈhand
NOUN
C
someone who has been doing something for a long time and is very good at it 老手；有经验的人
+at
After bringing up six kids, I’ m an old hand at it.
养大6个孩子后，我对此很有经验了。