it's

• It's all right, we've just made a pot .
  不要客气，我们刚烧好一壶。
• It's best to let sleeping dogs run themselves .
  最好还是听其自然。
• It's slow and yet searing psychic force !
  这是慢性地摧裂心肺的力量啊！
• I suppose it's a morbid subject .
  我认为这是个令人毛骨悚然的问题。
• It's tough, but i can't change it .
  这局面是不好受，可我又能怎么样呢。
• It's not a good habit to surname for others .
  给别人起绰号可不好。
• It's the funniest joke in the world .
  它是世界上最引人开怀的笑料。
• It's all right, mother; no good fussing .
  不要紧，妈；用不着大惊小怪。