She throw a ball at her coach.

{she} is the third person singular, we should add -s at the end of {throw}

She throws a ball at her coach.

He turns into a ball.

good

I chersh my dog.

spelling mistake!

cherish

I write slow, but I write good.

good

We odmire school.

spelling mistake! pay attention to the verb {admire}
{school} is a countable noun.

We admire my school.

She turn down him.

{she} is the third person singular, we should add -s at the end of {turn}
短语 turn dowm 的结构是一个动词+副词构成的词组，代词作宾语必须放中间，him在这里就是代词宾格，所以要放中间。如果是个名词，名词可以放在中间也可以放在后面，但通常放后面。
turn the TV on
turn on the TV

turn it off
turn it on

She turns him down.

We despise bad dog.

{dog} is a countable noun.

We despise the bad dog.

They attend his birthday party.

good

I contempt practice ukualele.

spelling mistake for {ukulele}
ukulele是一个乐器，乐器之前要有冠词
{contempt} is a noun. We can say {show/feel a contempt for sth}.

I feel contempt for practicing the ukulele.

They jump high, but they jop low.

spelling mistake for job, 应该是hop, 对吧？

They jump high， but they hop low.