仕方(しかた)ないit can't be helped, it's inevitable, it's no use, can't stand it, impatient, annoyed

父(ちち)：「息子(むすこ)は怠(なま)けてばかりで仕方(しかた)ない奴(やつ)だ。」

Father: "My son is a good-for-nothing who just lazes around all the time. It can't be helped." {it can't be helped, it's inevitable, it's no use, can't stand it, impatient, annoyed}

社長(しゃちょう)の命令(めいれい)では仕方(しかた)ない。休日(きゅうじつ)出勤(しゅっきん)をしよう…。

There's no helping it if it's the president's order. Let's go to work on the holiday... {it can't be helped, it's inevitable, it's no use, can't stand it, impatient, annoyed}

警察官(けいさつかん)に尋問(じんもん)されているので、打(う)ち明(あ)けるより仕方(しかた)ないです。

Since I'm being questioned by the police officer, it's inevitable that I have to confess. {it can't be helped, it's inevitable, it's no use, can't stand it, impatient, annoyed}

母(はは)：「テストで０点(てん)とったの？もう笑(わら)うより仕方(しかた)ないでしょ？」

Mother: "Did you get zero on the test? There's nothing to do but laugh, it can't be helped, can it?" {it can't be helped, it's inevitable, it's no use, can't stand it, impatient, annoyed}

久(ひさ)しぶりに私(わたし)に会(あ)えて嬉(うれ)しくて仕方(しかた)ないのか、飼(か)い犬(いぬ)が嬉(うれ)ションをしています。

Perhaps my pet dog is so happy to see me after a long time that it can't help but urinate out of excitement. {it can't be helped, it's inevitable, it's no use, can't stand it, impatient, annoyed}