1.on a straight course 直线
He made an effort to think of nothing but the problem of keeping the jeep on a straight course.
他竭力控制自己不去思索,集中精力让吉普沿笔直方向行驶。
2.move on 继续前进
He should move on and stop moaning about the injustice of it all.
他应该立即停止抱怨所有的不公, 继续前进.
3.beat down on 烘晒着
The July sun beat down on them.
7月的骄阳火辣辣地照晒着他们。