その後は英語で
afterwards

英語の定義

その後
1. n. then
2. n. soon afterward; after that; thereafter
3. n. then
4. n. soon afterward; after that; thereafter
5. n. then
6. n. soon afterward; after that; thereafter
7. n. Usage: そのご is more formal than そのあと.

afterwards
1. adv. (temporal location) At a later or succeeding time.

then
1. 副詞. その時。
He was happy then.
彼はそのときは幸せだった。
2. 副詞. その後すぐ。
He fixed it, then left.
彼はそれを直すとすぐに出て行った。
3. 副詞. さらに、加えて、それから。
There are three green ones, then a blue one.
緑のものは3個あります、それから青のものは1個です。
4. 副詞. （「if～,」等を受けて）そうしたら、そのときは。
If it's locked, then we'll need the key.
錠が掛かっていれば、鍵が要ります。
5. 副詞. 同時に、一方では。
That's a nice shirt, but then, so is the other one.
あれはいいシャツだけど、こっちも悪くないね。
6. 形容詞. その時の。
7. 名詞. その時。
It will be finished before then.
その前には終わるだろう。

then
1. adv. (temporal location) At that time.
He was happy then.
2. adv. (temporal location) Soon afterward.
He fixed it, then left.
Turn left, then right, then right again, then keep going until you reach the service station.
3. adv. (sequence) Next in order; in addition.
There are three green ones, then a blue one.
4. adv. (conjunctive) In that case.
If it’s locked, then we’ll need the key.
Is it 12 o'clock already? Then it's time for me to leave.
You don't like potatoes? What do you want me to cook, then?
5. adv. (sequence) At the same time; on the other hand.
That’s a nice shirt, but then, so is the other one.
6. adv. (dialect) Used to contradict an assertion.
7. adj. Being so at that time.
8. n. That time
It will be finished before then.