I tend to forget things unless I mark them down. [VERB noun PREP.]

除非把事情记下来，否则我常常会忘事。

As he marks down the prices, he stops now and then to pack things into a large bag. [VERB PREP. noun]

他一边抄价钱，一边不时停下来往一个大袋子里装东西。

If he'd taken that five pounds, I would have marked him down as a greedy fool. [V n P + as]

要是当时他拿了那5英镑，我就会认定他是个贪心的蠢货。

In those days if you asked 'why?' about anything you were marked down as a militant. [V n P as n]

那个时候，不管你对什么事情问“为什么”，都会被人视作激进分子。

A toy store has marked down the Sonic Hedgehog computer game. [VERB PREP. noun]

一家玩具店降低了电脑游戏《刺猬索尼克》的售价。

Retailers will have to mark down prices sharply to bring in sales. [VERB PREP. noun (not pronoun)]

零售商将不得不为了提高销量而大幅降价。

Clothes are the best bargain, with many items marked down. [VERB-ed PREP.]

买衣服是最划算的，许多衣服都降价了。

If you mark each other's work, they don't mark you down because then you can mark them down. [VERB noun PREP.]

如果大家互相批改作业，别人便不会给你扣分，因为你随后也能给他们扣分。