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top thirty───前三十名

four bits───四位

fourth-rate───第四流

fourthly───adv.第四

four o'cat───四个o'cat

four-bit───四位

four-part───四部分

LI LEI: Let me see. It's about four thirty.───李雷：让我看一看。大约四点半。

It's four thirty. Time to go home.───现在四点三十分了。 该回家了。

'But I talked to the Commander yesterday, 'Rilla said. 'He wanted to see us at four-thirty. '───“可是我昨天跟司令说过，”瑞拉说，“他答应今天4点半见我们。”

She rode her bicycle to the streetcar depot at a quarter past four and was on the streetcar to Schwetzingen at four-thirty.───她四点一刻骑自行车去了有轨电车车库，四点半就上了开往施韦青根的有轨电车。

I'm very sorry but I have to put off our appointment this afternoon from three to four thirty, because something urgent has come up.───很抱歉，因为有急事，我不得不把我们今天下午的约会从三点推迟到四点半。

Four's a bit late. I've got a part time job that starts at four thirty.───四点有些迟，，我找了一个兼职工作在四点半。

Dashan: Oh, it's four-thirty. Let's take the subway back to the hotel.───大山：喔，都4点半了，我们乘地铁回去吧。

She had not specified, but somewhere around four thirty to five would have been a reasonable time to return.

Exhausted, he collapsed on to the unmade bed, fell asleep, but still woke the next morning at four thirty.

On those days Oliver could not see to work in his dark little office past four thirty.