16、relate to v.
涉及
17、devote to v.
把……献给,把……专用于
18、break off v.
中断,折断,突然停止,脱落,暂停,断绝,解除
19、break in v.
训练,使合用,闯入,打断,开始工作
20、break into v.
破门而入,侵占