entries → 划得來
TSUMUGU · TOCFL C1 (est.) · 詞
划得來 word · TOCFL C1 (est.)
划得來 ＝ 划 ＋ 得 ＋ 來
ㄏㄨㄚˊ ˙ㄉㄜ ㄌㄞˊ · huádelái
phrase — worth it, a good deal (the gain outweighs the cost)

字源 FORM — what the parts do

划to pay off, be worth it (划算)huá
得potential marker — able to (得)de
來to come out (potential ending)lái划得來 = able to come out ahead; the trade pays off
划得來，划算的划，得到的得，來去的來。

故事 STORY — a scene to remember it by

一槳一槳划（划），划得（得）出（來）來——出力換到了報酬。
Stroke after stroke you row (划), and you do come out (得…來) ahead — the effort pays back.
記憶法
關 · Related
划不來huábùláithe negative twin — not worth it (不 swapped for 得)划算huásuànthe plain synonym — a good deal