N2 — outside your level filter
だけのことはある
no wonder; that explains it — X fully lives up to what one would expect
フルマラソンでも余裕だね。三年間も毎日走っていただけのことはあるよ。
furu marason demo yoyuu da ne. sannenkan mo mainichi hashitte ita dake no koto wa aru yo.
Even a full marathon is easy for you. No wonder — you ran every day for three years straight. casual
準備に半年もかけただけのことはあって、発表は完璧だった。
junbi ni hantoshi mo kaketa dake no koto wa atte, happyou wa kanpeki datta.
Having spent half a year on preparation really showed — the presentation was flawless. neutral