Meaning of それは in Japanese

Reading and JLPT level それは, そりゃ, そりゃあ

Romaji soreha, sorya, soryā

Examples of , それは, そりゃ, そりゃあ in a sentence

わははは！そりゃ傑作だ！

A-ha-ha-ha! What a blunder!
それは定石通りというだけで、手を抜いたわけではないのです。

That's just standard practise, it's not like they're cutting corners.
彼女と友達になれた時は、それはうれしかったですよ。

I was overjoyed when I was able to make friends with her!
そりゃ、フィクション世界ってのはそういう細かい部分をはしょるからな。

Well that's because in fiction that sort of fine detail gets skipped.
オマエ、そりゃいくらなんでもボッタクリ過ぎだろ！６：４がいいとこだろうが。もちろん、６は俺な！

Oi you, that's too much of a rip off by anyone's count! 6:4 is more than enough. Of course I'm the '6'.
そりゃ便利だね。

That comes in handy.