hold up

hold up延迟，阻碍，举起，抬起，承受住，支撑得住

【例句】

◆ The plane was held up by heavy fog for several hours．飞机因大雾延迟了数小时。 

◆ If you can answer this question,please hold up your hand.如果你能回答这个问题，请举手。