1、Viruses tend to be good at surviving when a computer system crashes.
计算机病毒在系统崩溃后往往依然存在。
2、You need manual dexterity to be good at video games.
玩好电子游戏手要灵巧。
3、You have to be good at spotting trouble on the way and heading it off.
你必须善于发现潜在的麻烦并加以化解。
4、A teacher should be good at drawing inferences about other cases from one instance.
老师要善于举一反三。
5、But you had to be good at math.
但是你数学一定很好.。
6、You need to be fluent in English and be good at using computers.
你必须能说流利的英语,熟练操作电脑。
7、And you should be good at English and can operate computer skillfully.
你要善于英文,并且能熟练使用电脑。
8、A shrewd housewife should be good at planning the family budget.
精明的主妇应擅长计划家庭预算。
9、A good executive must be good at decision making.
优秀的领导者必须善于决策。
10、The important thing is to be good at learning.
重要的是善于学习.。
be good at 意思是“擅长于……”，后跟名词、代词或动词ing形式。be 随着人称和时态的变化而变化。
如：
He is good at English . 他擅长英语。
She is good at singing . 她擅长唱歌。
They are good at playing basketball . 他们擅长打篮球。
Jim was good at drawing when he was ten years old. 吉姆十岁时擅长画画。
Lily's favourite subject is maths and she is good at it .
李利最喜欢的科目是数学，她很擅长它。
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