Icky is informal, especially American, for something very unpleasant — often sticky, slimy, too sweet, dirty, or just ugly to look at, taste, or touch. A child might say a vegetable is icky, or that a slug feels icky.

Icky is informal, especially American是口語用法，尤其是美式英語的 for something very unpleasant用來形容很讓人不舒服的東西 often sticky, slimy, too sweet, dirty, or just ugly to look at, taste, or touch常常是黏黏的、滑滑的、太甜、髒的，或看起來、嚐起來、摸起來就是很醜 A child might say a vegetable is icky小孩可能會說一個蔬菜很icky or that a slug feels icky或說一隻蛞蝓摸起來很icky

Adults use it too, but it sounds playful or childish, not like a word for a serious school essay.

Adults use it too大人也會用它 but it sounds playful or childish但聽起來很俏皮或幼稚 not like a word for a serious school essay不像是嚴肅學校作文會用的字

It appeared in American English in the 1930s, from earlier baby-talk icky-boo, meaning sickly or about to feel sick — a child’s soft twist on sick. It was also used, a little sentimentally, for a kind of jazz.

It appeared in American English in the 1930s這個字在1930年代出現在美式英語裡 from earlier baby-talk icky-boo源自更早的兒語icky-boo meaning sickly or about to feel sick意思是不舒服或快要不舒服 a child's soft twist on sick是小孩子把sick軟化後的說法 It was also used它也曾經被用 a little sentimentally帶點懷舊地 for a kind of jazz指一種爵士樂

There is no “ice” hiding in this word, and it is not the same as icy (cold, or unfriendly).

There is no "ice" hiding in this word這個字裡面並沒有藏著「ice」 it is not the same as icy它也跟icy不一樣 cold, or unfriendly冷、或不友善