形容词
1. (疾病)有传染性的，容易传染的
If an illness or a disease is catching, it is easily passed on or given to someone else.
2. (情感等)有感染力的，感染性强的
If a feeling or emotion is catching, it has a strong influence on other people and spreads quickly, for example through a crowd.
1. becoming infected
e.g. catching cold is sometimes unavoidable
the contracting of a serious illness can be financially catastrophic
Synonym: contracting
2. (baseball) playing the position of catcher on a baseball team
3. the act of detecting something
catching sight of something