Mike:How heavy are you?
Mike：你有多重?
Zhang：I'm 48 kg.
zhang：我48千克.
Mike：I‘m thinnre than you,and shorter.
mike：我比你瘦（或轻）,又比你矮.
Zhang：Yes.I’m bigger and stronger than you.
zhang：是的,我比你大并且强壮.
Sarah：How long are your legs?
sarah：你的腿有多长?
chenjie：76 cm.
chenjie：76厘米.
sarah：How big are your feet?（“feet ”是“foot”的复数形式）
sarah：你的脚有多大?
chenjie：I wear size 17.
chenjie：我穿17码.
sarah：I wear size 16.
sarah：我穿16码.
还有什么不懂的欢迎私信,但问题难度不要超过初一的.