我们大致上计划在六点到达。
wǒmen dàzhì shàng jìhuá zài liù diǎn dàodá 。
We roughly plan to arrive by six o'clock.
这个项目大致需要三个月完成。
zhègè xiàngmù dàzhì xūyào sāngèyuè wánchéng 。
This project will take approximately three months to complete.
他的意见大致上是中肯的。
tāde yìjiàn dàzhì shàng shì zhōngkěn de 。
His opinion is more or less reasonable.