baulking
n. 错误；失败；障碍（等于 balk）
vt. 阻止；错过；推诿（等于 balk）
vi. 犹豫；（马等）突然止步不前（等于 balk）
例句
It has synchronizers for all gears except the first and the reverse. The first trouble we encountered was rapid wear of the synchronizer baulking cones, made from aluminum alloy.
首先用改变材料和结构尺寸、公差等方法解决了同步器磨损的问题。
