1

湯姆

Tāngmǔ

Tom (name)

2

必須

bìxū

to have to must compulsory necessarily

3

在

zài

to exist; to be alive (of sb or sth) to be (located) at (used before a verb to indicate an action in progress)

4

那裡

nàli

there; that place

=5

嗎

má

(coll.) what?

=5

嗎

mǎ

used in 吗啡 mǎfēi

=5

嗎

ma

(question particle for "yes-no" questions)