to slowly become less close or connected over time
随着时间的推移，慢慢变得不再亲密或连接 (suí zhe shí jiān de tuī yí, màn man biàn de bù zài qīn mì huò lián jiē)
"After college, they gradually drifted apart."
"大学毕业后，他们渐渐地疏远了。" (Dàxué bì yè hòu, tāmen jiàn jiàn de **shū yuǎn** le.)
