N4
にくい
Difficult to, Hard to
この駐車場は狭いから止めにくい。
This parking lot is very cramped, so it is difficult to park.
Explanation
「にくい」 has 2 uses
1Hard to do
The action is hard to do because of the thing itself or the situation: 「読みにくい」 hard to read, 「話しにくい」 hard to talk to.
甘くないケーキは、食べにくいです。
Cakes that aren't sweet are hard to eat.
私には英語の「Literally」という単語がとても言いにくい。
For me, the English word 'literally' is very hard to say.
2Unlikely to happen
A change doesn't happen easily: 「割れにくいコップ」 a cup that doesn't break easily, 「汚れにくい」 doesn't get dirty easily.
緊張して声が出にくい。
I'm nervous, making it hard to talk.
このコップは落としても割れにくい。
This cup doesn't break easily, even if you drop it.