1.suppose to 认为

Would you suppose to meet the people on the boat.
你认为是那些在船上的人吗？

Griggs main advice was to act like a black boy is suppose to.
格利格斯主要的建议是像一个黑色的小男孩是假设。

2.step forward 向前走；站出来

This morning, we're taking an additional step forward.
今天早上，我们又向前迈出了一步。

But he said the us nomination was a step forward.
但他表示，美国此次提名已向前迈出了一步。

3.knock down 击倒；拒绝

Knock down a little girl in front of me.
把我前面的小女孩撞倒。

A couple of weeks ago the entire board and senior management stood in clumpy flat shoes and took turns at sticking two fingers and a thumb into a heavy ball and rolling it in a straight line to knock down some skittles.
两周前，整个董事会和高管层穿着厚底的平跟鞋，轮流把两根手指和一根拇指插进一个笨重的球里，让球在一条笔直的球道上滚起来，去撞倒一些球瓶。