You will find it hard at first, but stick at it.你会发现刚开始时有点难，但要坚持下去。You must stick at it if you want to succeed.如果你想成功的话,你就必须坚持下去.I never stick at small difficulties.我从来不为小困难而气馁....
The screw has loosened.螺丝钉松了。He loosened his tie.他松开了领带。Harry loosened his grip momentarily and Anna wriggled free.哈里的手稍一放松，安娜便挣脱出来。He loosened his very strong hold on the ship's rail and glanced fore and aft.他松开紧紧抓...
Thick black smoke billowed over the scene...在这一场景中浓浓的黑烟滚滚升起。Thick black smoke billowed over the scene.在这一场景中浓浓的黑烟滚滚升起。The curtains billowed madly as the wind caught them.风吹着窗帘，窗帘鼓了起来。Dense smoke swirled and billowed, its...