钻劲儿

zuànjìnér

钻劲儿 — zuànjìnér

1. determination; persistence; the drive or grit to keep working hard

   他做事很有钻劲儿，经常加班完成难题。 tā zuòshì hěn yǒu zuān jìner jīngcháng jiābān wánchéng nántí — He has a lot of determination and often works overtime to finish difficult problems.