to warm up / to heat up / hot (of weather) / heat / fervent
热
=
执
+
灬
:
Robinson Crusoe wants to heat himself up in the elevator's bathroom, so he burns his good-for-nothing grilling license on a grill to ignite a sizeable flame.
执
=
丸
+
扌
:
Mnemonic symbol: 执照, "license". James II of England (zh) is being held up at the security check in the space station's kitchen (Ø2). They hold a bag of painkillers (丸) they found with a toy claw (扌) in front of him and they ask him to show his drug license (执).
(idiom) to be on very good terms with each other / to hit it off with sb / to be passionately in love with each other / to carry on intimately with / (of trading, conflict etc) to be in full swing
slow to heat up / (fig.) (of a person) reserved; introverted; slow to develop relationships; (of a product etc) to take time to become popular; (sports) slow to reach peak performance