hold up的用法和樣例：
例句
- He held up his hand in amazement.
他驚駭地舉起了手。 - The pillars hold up the masonry.
柱子支持著石頭房屋。 - I decided to hold up on the news until he was sure of it.
我決定暫緩發布消息，直到我確信準確無誤。 - The train was held up by heavy fog.
火車因大霧而受阻。 - She was always holding up her children as paragons of good behaviour.
她總是標榜自己的孩子是品行端正的典範。 - Robbers held up a bank at gunpoint.
強盜持槍搶劫了一家銀行。
