如愿以偿 rúyuànyǐcháng to have one's wish fulfilled

How to remember 如愿以偿: 如 as + 愿 wish + 以 to use + 偿 to repay = to have one's wish fulfilled.

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Idiom: to finally get exactly what one wished for - 他如愿以偿考上了医学院 (tā rúyuàn yǐcháng kǎoshàng le yīxuéyuàn) he got his wish and was admitted to medical school.
Implies the wish was pursued and then satisfied; the 偿 (cháng, repay) frames it as a desire being 'paid off'.
Written and positive; used for meaningful, longed-for goals, not trivial ones.