(每日一词）intrude/intruder/obtrusive/unobtrusive

Intrude /ɪnˈtruːd/ v. 侵入

meaning: If someone intrudes into a place, they go there even though they are not allowed to be there.

前缀：in-向内

词根：trud-, trus- 推（tru 出 +d 的）

补充：obtrusive  /əbˈtruː.sɪv/ adj. 显眼的，刺眼的；

补充：unobtrusive  /ˌʌn.əbˈtruː.sɪv/ adj. 不引人注目的，不张扬的