在子女小时不应对他们过于苛吝。否则会使他们变得卑贱，甚至投机取巧，以至堕入下流，即使后来有了财富时也不会正当利用。 The illiberality of parents, in allowance towards their children, is an harmful error; makes them base; acquaints them with shifts; makes them sort with mean company; and makes them surfeit more when they come to plenty.
我那时年纪轻、涉世未深，极易堕入情网。 I was in my salad days then, and fell in love easily.
他睡了一会儿就堕入恍忽迷离的境界。 He slept for a while and lapsed into dreaminess.