爷爷用镰刀割麦子，动作又快又熟练。

yéye yòng liándāo gē màizi, dòngzuò yòu kuài yòu shúliàn.

Grandpa uses a sickle to cut wheat, with fast and skilled movements.

墙上挂着一把旧镰刀，已经生锈了。

qiáng shàng guà zhe yī bǎ jiù liándāo, yǐjīng shēngxiù le.

An old sickle hangs on the wall, already rusted.

农民在秋天拿起镰刀开始收割庄稼。

nóngmín zài qiūtiān ná qǐ liándāo kāishǐ shōugē zhuāngjia.

Farmers pick up their sickles in autumn and start harvesting crops.