four thirty或者half past four。所有的時間可以用小時+分鐘順讀表示。添加介詞表示法：如果分數(shù)小于或等于30，就用past來表示，結構是“分鐘+past+該點鐘“。

4:30用英語例句

很多人不知道這個問題的答案，因為它冬天下午4:30左右關門，夏天下午5:00左右關門。

Many people don't know the answer to this question, as it closes at around 4:30p. m in winter and 5:00p. m in summer.

他凌晨4:30去敲門喚醒羅布。

He went to knock Rob up at 4.30am.

游客中心每日上午8:30至下午4:30開放。

The Visitor Centre is open daily 8.30 a.m. ? 4.30 p.m。