puberty (n)
/ˈpju·bər·t̬i/

dậy thì

the stage of development when a child changes physically into an adult

birth (n)
/bɜrθ/

sự sinh đẻ, sự ra đời

the occasion when a baby comes out of its mother's body

old age (a)
/oʊld eɪdʒ/

lúc tuổi già

a late time of life

difficult (a)
/ˈdɪf·ɪ·kʌlt/

khó

not easy

wartime (n)
/ˈwɔːr.taɪm/ 

thời chiến

the period when a war is taking place

bring up (phrasal verb)
/brɪŋ ʌp/

nuôi dưỡng

to look after a child until he or she becomes an adult

leave (v)
/liːv/

rời đi

to go away from a person or place

have (v)
/hæv/

có, sở hữu

to possess; own; hold for use

adolescence (n)
/ˌæd.əˈles.əns/

thời thanh niên

the period of your life when you change from being a child to being a young adult

spend (v)
/spend/ 

tiêu, chi

to pay out or expend; dispose of (money, wealth, resources, etc.)

childhood (n)
/ˈtʃaɪld.hʊd/

tuổi thơ ấu, thời thơ ấu

the time of your life when you are a child

move (v)
/mu:v/

di chuyển

to change position

wise (a)
/wɑɪz/

sáng suốt, khôn ngoan

having or showing good judgment

grow up (phrasal verb)
/ɡroʊ ʌp/

lớn lên

to change from being a baby or young child to being an older child or adult

wrong (a)
/rɒŋ/

sai

not suitable or correct, or not as it should be

marriage (n)
/ˈmer.ɪdʒ/

cuộc hôn nhân

a legally accepted relationship between two people in which they live together

get (v)
/get/

được, có được

to obtain something

lose (v)
/luːz/

mất, giảm

to have less of something, esp. in the body

tend (v)
/tend/

có khuynh hướng

to be likely to behave in a particular way or have a particular characteristic

retirement (n)
/rɪˈtaɪə.mənt/

nghỉ hưu, về hưu

the act of leaving your job and stopping working, usually because you are old