Use heavy sentences,(a heavy one) To make a sentence of heavy,(a weight only).

Use heavy sentences,(a heavy one) To make a sentence of heavy,(a weight only).

Heavy weight: The porters at Mount Tai's feet carried heavy luggage up the mountain every day.
Sad: My little sister's mood was very heavy.

Heavy weight: The porters under Mount Tai carried heavy luggage up the mountain every day.
Sad: The exam failed. My little sister's heart was heavy.

Weight: Mount Tai's porters carry heavy luggage up the mountain every day.
Sad: the exam test, the younger sister's mood is very heavy.

What did friendship mean? What does friendship mean?

On the one hand, the importance of friendship, on the other, the power of friendship.