下手すると

へたすると

if one is unlucky, if one is careless, if things don't go well

手を下す

てをくだす

to do oneself, to do by oneself

下手をすれば

へたをすれば

if one is unlucky; if one is careless

相手をする

あいてをする

to keep company, to look after, to entertain, to play (a game) with

下手

しもて したて したで へた

unskillful, poor, awkward

手下

てした てか

subordinate, underling

上手下手

じょうずへた

differences in skill

下手上手

へたうま ヘタウマ

at first glance poor, but on closer examination not too bad, crude but charming (of artwork, etc.), poorly made but captivating

川を下る

かわをくだる

to descend a river

瀬を下る

せをくだる

to descend the rapids

断を下す

だんをくだす

to pass judgment (judgement), to make a decision

腹を下す

はらをくだす

to have diarrhea

位を下す

くらいをくだす

to degrade, to lower in rank

下手に出る

したてにでる したでにでる

to behave modestly

手を切る

てをきる

to cut off (a relationship)

手をやる

てをやる

to put one's hand on; to touch

手を取る

てをとる

to take someone's hand

手を振る

てをふる

to wave one's hand

手を握る

てをにぎる

to join forces (with); to ally oneself (with); to hold hands