late 14c. (transitive), 1590s (intransitive), from thick + -en (1). Related: Thickened; thickening. An earlier verb was Middle English thick, Old English þiccian "to thicken, to crowd together."
权威例句
1. But as the investigation continued, the plot began to thicken.
但是随着调查的继续深入,情况开始变得复杂起来。
2. The crowds around him began to thicken.
他四周的人群密集起来。
3. Thicken the broth with the cornflour.
加玉米面使汤变稠。
4. We'll add some flour to thicken the soup.
我们将加点粉把汤调浓些.
5. Add the oats to thicken the mixture and stir until it is nice and creamy.