不得已
bù dé yǐ · HSK 7
to have no alternative but to
⛓️ 不得已 = not + able + stop → you cannot halt it, so you comply
已 means to cease. The whole word literally reads unable to make it stop — circumstances force your hand, leaving zero alternatives.
不 — single pictograph; bird flying upward
Originally a pictograph in oracle bone script, traditionally interpreted as a bird flying up toward the sky and unable to come down, suggesting negation or refusal. Over time it became the standard negation word in Chinese, used before verbs and adjectives to mean 'not'.
得 — 彳 (step) + 旦 (sun/day) + 寸 (hand)
Originally depicted a hand 寸 reaching for a cowrie shell 貝 (later simplified to 旦), with 彳 'step' added to show going out and obtaining something. The core meaning is 'to get' or 'obtain'. The reading děi extends this to 'must/have to' — what one is obliged to get done.
已 — snake/fetus 巳 variant, with top opened
Originally a pictograph related to 巳 (a coiled fetus or snake form), 已 was distinguished by opening the top stroke. In ancient texts it came to mean 'to stop, cease, finish,' and by extension 'already.' The graphic split from 巳 and 己 helped fix its modern sense as a marker of completed action.