Time: finally

やっと

Means that something happened at last, with efforts. More rarely means "barely". Used at the beginning of a phrase.

[!info] Example ==やっと=={論文|ろん|ぶん}を書き{終|お}わった。 I finally finished writing my thesis.

Means "finally", "at last". Something happened after working to accomplish the goal. Positive implications. Used at the beginning of a phrase.

[!info] Example ==ついに== {新|あたら}しい{地下鉄|ちかてつ}が{出来上|で|き|あ}がった。 At last, the new subway was completed.

V (た)

N + の

+ あげく

Means "in the end", "finally". Implies a negative result, despite effort given.

[!info] Examples {一緒|いっしょ}に{暮|く}らした==あげく==、{別|わか}れることに{決|き}めました。 After living together, we decided to break up.

Means "finally". Explains that something finally happened (after preparation, waiting, etc). Used at the beginning of a phrase.

[!info] Examples ==いよいよ=={作|つく}り{終|お}わりました。 I finally finished it.

V (た)

N + の

+ 末に

{末|すえ}に means "finally". Focuses on the end of the preparation.

[!info] Examples ==末に=={準備|じゅんび}を{終|お}わりました。 Finally, I finished the preparations.