図(ず)に乗(の)るto get carried away, to become over-excited, to push one's luck, to push a good thing too far

娘(むすめ)は少(すこ)し褒(ほ)めるだけで図(ず)に乗(の)ります。

My daughter gets carried away with just a little praise.

図(ず)に乗(の)って事業(じぎょう)を拡大(かくだい)し、見事(みごと)に失敗(しっぱい)した。

He got carried away and expanded the business, only to fail spectacularly.

寛大(かんだい)にすると図(ず)に乗(の)るから、しっかり叱(しか)りました。

Since they would get carried away if I was lenient, I firmly scolded them.

すぐに図(ず)に乗(の)って失敗(しっぱい)をする彼(かれ)の思考(しこう)は理解(りかい)しかねます。

I find it hard to understand his mindset of getting carried away and making mistakes immediately.

図(ず)に乗(の)って海外(かいがい)にも店舗(てんぽ)を設(もう)け、そのせいで利益(りえき)が落(お)ちてしまった。

They got carried away and opened stores overseas, which led to a decline in profits.