Please give me a wake up call at 7:30 am tomorrow.
请在明早七点半叫醒我。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something,意思是迅速地沿着一条直线向某人或某物走去。