もちろん (mochiron)

もちろん 一緒いっしょに 行いきます。

Of course I'll go with you.

彼女は現代日本語は勿論古典さえ読める。

She can read even classical Japanese, not to mention modern Japanese.

先生によって、勿論、教え方が違います。

Teaching methods are, of course, different, depending on the teacher.

私はその写真を大人には勿論子供にさえ見せた。

I showed the picture even to kids, not to mention adults.

スミスさんは刺身は勿論、納豆まで食べるんですよ。

Mr. Smith even eats fermented soybeans, not to mention raw fish.

あの人は鼠やスカンクは勿論蛇まで好きだ・好きです。

He even likes snakes, not to mention rats and skunks.

山崎先生はまだお若いです。勿論、若いと言っても五十代ですが。

Professor Yamazaki is still young. Of course, even though I said, "young," he is in his fifties (literally: he is in his fifties, though)

もちろんさ。

Of course.

もちろんだよ！

Of course!

もちろんいいとも。

Of course, you may.

もちろん、いいよ。

Of course, you may.

もちろん、 私わたしです。

I am, of course.