It takes a very steady hand and plenty of practice to paint a perfect line.只有手不发抖并多加练习才能画出完美的线条。Painting takes a steady hand and a good eye.画画需要眼明手稳。He had not had a steady hand with the razor.他的手拿不稳剃刀。A surgeon needs a good eye and a steady hand.外科医生的眼要尖，手要稳。