Meaning of yú:
与
variant of 歟|欤[yu2]
Tā yǔ tā yīqǐ qù lǚxíng.
他与她一起去旅行。
He traveled with her.
and
Píngguǒ yǔ chéngzi dōu shì měiwèi de shuǐguǒ.
苹果与橙子都是美味的水果。
Apples and oranges are both delicious fruits.
to give
Wǒ xīwàng zàicì yǔ tā jiànmiàn.
我希望再次与他见面。
I hope to meet with him again.
together with; to take part in
Wǒ xiǎng yǔ tā yīqǐ qù diànyǐngyuàn.
我想与他一起去电影院。
I want to go to the cinema together with him.
Tā xīwàng néng yǔ tāmen yīqǐ cānjiā bǐsài.
他希望能与他们一起参加比赛。
He hopes to take part in the competition with them.