【单词】:善于 【解释】:apt at ~be adept in ~be apt at ~be great at ~be great in ~be ready at ~be skilful at ~good at ~shone at ~skiful in ~skiful with ~am good at ~are good at ~is good at ~was good at ~were good at ~1.to be good at; to be apt at; to be adept in (or at)
~a whale at~ready at~versed in~well versed in~a good hand at~famous at