Yes, to blow off means to break off plans you had with someone.

Yeah , there are some things in life you just shouldn't blow off.

唉, 生活中有些事是非得做的,就象和你一起吃午饭一样.

I think I'm going to blow off class today.

我想我今天要逃课了.

They set the shop on fire to blow off their repressed emotion.

他们放火烧商店,以发泄压抑的情绪.

Cold winds blow off the Siberian high pressure from October to April.

从10月到来年4月,从西伯利亚高压吹来的寒风影响着中国大陆.

The staff was right to blow off the debate negotiations.

那位工作人员做的对,应该取消辩论谈判.

After the train got to the station, the engine began to blow off.

火车进站后, 火车头开始放气.

Richard landed him a blow on the left eye.

理查在他左眼上打了一拳.

The blow on the head impaired ( iedamaged ) his vision.

他头部受击后损害了视力.

With that first blow on the elbow the nightmare had started.

在手肘遭到那一击之后,噩梦就开始了.

After a few minutes, the young fighter planted a blow on his opponent's chin that seemed to hurt him.

几分钟后, 那位年轻的拳击手一拳击中了对方的下巴,似乎把他打伤了.

The doctors speculate that he died of a cerebral haemorrhage caused by a blow on the head.

医生推测他死于头部受击引起的脑溢血。

I landed a blow on his chin.

我朝他的下巴打了一拳.

He gave him a violent blow on the head.

他照他的头部重重一击.

He received a savage blow on the head; that did for him.

他头上遭到一记猛击, 就完蛋了.

A hard blow on the ear deafened him for life.

耳朵上挨的一记猛击使他耳聋了一辈子.

Her children's death is a fatal blow on her.

孩子们的死对她是致命的打击.

If you blow on a piece of paper, it moves.

你若对着纸片吹,纸片就会动.

I answered his threat with a blow on his nose.

我给他迎面一拳作为对他的威胁的报复.

She struck her opponent a tremendous blow on the jaw.

她猛击对手的下巴.

He inflicted a heavy blow on the back of her head.

他猛击她的后脑勺.