He has a tattoo on his instep.

他的脚背上有一个纹身。

He has a small cut on his instep.

他的脚背上有一个小伤口。

The shoe was too tight around the instep.

这双鞋在脚背处太紧了。

The doctor examined the swelling on his instep.

医生检查了他脚背上的肿胀。

You can relieve pain by massaging your instep.

你可以通过按摩脚背来缓解疼痛。

Her shoes are too tight and press on her instep.

她的鞋子太紧，压到了她的脚背。

She massaged her instep to relieve the tension.

她按摩了自己的脚背以缓解紧张感。

He accidentally hurt his instep while kicking the ball.

他在踢球时不小心伤到了脚背。

These sneakers are well-designed to support the instep.

这些运动鞋设计得很好，能很好地支撑脚背。

He felt a sharp pain in his instep after the long hike.

长时间徒步后，他的脚背感到一阵剧痛。