许多

many; much; full; numerous; multiple; countless; galore; a lot of; lots of; loads of; plenty of; many a; quite a lot; a great many; a good deal; in quantity; by the score; lot; lotta; host; load; mountain; mass; mess; stack; ton; pile; rash; heap; mound; slew; raft; lashing; scads; shedload; hundred; million; deal; score; dozen; bare; tons

听众

listener; audience; hearer

面前

presence; in front of; in face (front) of; before

演讲

give a lecture; speak; lecture; address; give a speech; make a speech; deliver a talk; give an address; speech; talk; discourse; oration; oratorical; on; oratorically