幼儿园老师告诉家长大多数吸手指的孩子最终会自己改掉这个习惯。

The kindergarten teacher told parents most ___thumb-suckers will eventually outgrow the habit on their own.

那位经验丰富的教练把新队员称作爱哭鬼，认为他还没准备好面对真正的挑战。

The experienced coach called the new player a ___thumb-sucker, believing he wasn't ready for real challenges.