proficiency
n[U]
~ (in sth/doing sth)being proficient (in sth) 精通; 熟练
a test of proficiency (in English) (英语)水平测试
show proficiency in operating a switchboard 操作配电板十分熟练.
Let me take a look at your shoulder. Where does it hurt?
让我看看你的肩膀。哪里疼?
There are about 50 million sheep in New Zealand, about 14 sheep for every New Zealander!
在新西兰大约有5000万只羊,每个新西兰人拥有14只羊左右!
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。