失 (shī) means “In “失去”: to lose”. The 失 stroke order has 5 strokes; the animation above shows them one at a time. Its radical is 大. To practise how to write 失, open writing practice; to hear how to pronounce 失, use the pronunciation trainer.
Words with 失
失去 — shī qù, to lose
失望 — shī wàng, disappointed; to lose hope; to despair
失败 — shī bài, to be defeated; to lose; to fail (e.g. experiments); failure; defeat