1. 吱吱叫的东西：squeak 吱吱声 | squeaker 吱吱叫的东西 | squeaky 吱吱响的

2. 告密者,吹臼者：shipbreaker 收购和拆缷废船的承包商 | squeaker 告密者,吹臼者 | faker伪造者,骗子

3. 磨牙者：squeak 吱吱声 | squeaker 磨牙者 | squeaker 吱吱叫的东西

4. 发出刺耳声的人(物)：needy 贫穷的,贫困的 | squeaker 发出刺耳声的人(物) | literally 照字面地/(逐字地,确实地)

noun

1. something achieved (or escaped) by a narrow margin

Synonym: close callclose shavesqueaknarrow escape

2. any artifact that makes a squeaking sound when used

e.g. those sneakers are squeakers
which hinge is the squeaker?