瓶塞钻

• 并(combine; parallel)PHONETIC
• 瓦(pottery; ceramics)RADICAL

A ceramic vessel made from two parts joined together to form a complete container.

• 宀(roof; cover)ASSOCIATIVE
• 土(earth; soil; land)RADICAL

Stuffing earth under a roof to seal all the gaps is what blocks and fills means.

• 釒(metal)RADICAL
• 贊(praise; support)PHONETIC

A metal drill bit spirals forcefully into material like heartfelt praise piercing deep into someone's heart.