make a hash of

Verb

to do badly, particularly to make a mess while doing.

Japanese Meaning

手際が悪く、台無しにする / 物事を雑に扱い、失敗する

If you rush the installation, you'll make a hash of the wiring and risk a short circuit.

取り付けを急ぐと、配線をめちゃくちゃにしてショートを起こす危険があります。

Sense（1）

to do badly, particularly to make a mess while doing.

I generally make a hash of talking to boys I like; it's so frustrating.

makes a hash of

（ present singular third-person ）

making a hash of

（ participle present ）

made a hash of

（ participle past ）

made a hash of

（ past ）