(can't/couldn't/try to) contain (myself/yourself/...)
(感情・気持ちを)押さえ切れない・堪える
1.
My daughter moved into a dormatory last weekend. As we drove away, I couldn't
contain myself,
I just started crying
2.
When she got the news that she passed her entrance exam, she was so happy she couldn't contain herself. She started jumping up and down and shouting, "I passed! I passed!"
3.
He couldn't contain his anger when he saw the man kicking his dog.
4.
I know you're excited that your son as chosen for the contest. But try
to contain your
excitement out of respect for the parents whose sons lost.