引狼入室：to usher the wolf into the house; to bring in a troublemaker; to set a fox to keep one's geese
潜伏的危险：a snake in the grass
沉重的负担：Heavy burden
班门弄斧：teach fish to swim
用英语怎么写引狼入室 潜伏的危险 沉重的负担 不要班门弄斧
引狼入室：to usher the wolf into the house; to bring in a troublemaker; to set a fox to keep one's geese
潜伏的危险：a snake in the grass
沉重的负担：Heavy burden
班门弄斧：teach fish to swim