Hello, students. Welcome to English class.
同学们，大家好。欢迎来到英语课。
It's pretty cool to run into students that say hello at the grocery store.
在杂货店碰到根自己打招呼的学生，那感觉太爽了。
Teachers, students: Hello, everybody!
大家老师，同学：大家好！
Please say hello to the other students in your class for me.
替我向班里其他的同学问好。
Hello, good afternoon teachers and students.
老师，同学们，下午好。
Hello, good afternoon teachers and students.
老师，同学们，下午好。
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