1. 讨厌的：plaguily 极其 | plaguy 讨厌的 | plaice 欧蝶

2. 麻烦的/极端的/非常地/极为：plagula /帘/ | plaguy /麻烦的/极端的/非常地/极为/ | plaice /比目鱼之类/

3. 麻烦的; 讨厌的; 烦扰的 (形)：plaguey 麻烦的; 讨厌的; 烦扰的 (形) | plaguy 麻烦的; 讨厌的; 烦扰的 (形) | plaid 彩格披肩; 彩格布; 彩格呢; 格子图案 (名)

adj

1. causing irritation or annoyance

e.g. tapping an annoying rhythm on his glass with his fork
aircraft noise is particularly bothersome near the airport
found it galling to have to ask permission
an irritating delay
nettlesome paperwork
a pesky mosquito
swarms of pestering gnats
a plaguey newfangled safety catch
a teasing and persistent thought annoyed him
a vexatious child
it is vexing to have to admit you are wrong

Synonym: annoyingbothersomegallingirritatingnettlesomepeskypesteringpestiferousplagueyteasingvexatiousvexing