had better ...; had better not ...
to look down on (someone); to make fun of; to put down; to treat with contempt; to underestimate
to eat; to drink; to receive (e.g. a blow); to be on the receiving end (of something undesirable); to undergo (trouble)
to differ (from); to vary; to not be in the usual condition; to not match the correct (answer, etc.); to be different from promised; isn't it?
to eat; to live; to make a living; to bite; to sting (as insects do); to tease; to torment
to advance; to go forward; to precede; to go ahead (of); to make progress; to improve; to deepen
living thing; living creature; animal; life
inside; interior; among; within; middle; center; during
invasion; incursion; raid; aggression; intrusion; trespass
knowing; (an) acquaintance