"easily tickled," 1590s, from tickle + -ish. Literal sense is attested later than the figurative sense "easy to upset" (1580s). An earlier word for this was tickly (1520s). Meaning "difficult to do, dubious, requiring great care" is from 1590s. Related: Ticklishly; ticklishness.
实用例句
1. a dry ticklish cough
喉咙发痒的干咳
来自《权威词典》
2. So car makers are faced with the ticklish problem of how to project products at new buyers.
因此，汽车制造商面临着怎样向新顾客树立产品形象的大难题。
来自柯林斯例句
3. This massage method is not recommended for anyone who is very ticklish.