(n) fish hot from the oven
(n) kaiten
human torpedo in WW2
(n) close friendship
intimate friendship
(n) homing torpedo
(exp) if you do a favor for somebody, you will get a return favor (lit: if fish is friendly toward water, water will be kind to fish, too.)
mutual back-scratching
(exp) to eat a fish whole
(exp) (id) Scratch my back and I'll scratch yours
(exp) (id) The fish that got away is always big
(exp) (obsc) (of a legal system) so lax that even the greatest criminal can escape
(exp) (obs) to ask for the impossible
(exp) to ask for fish from a tree (Mencius)
(exp) (id) The fish that got away is always bigger