List: HSK 4

1. password
2. code, cipher

1. strength, physical power
2. energy, vigour

1. raw material, ingredient
2. source material

1. circle, ring
2. to encircle, surround
3. pen, enclosure (for animals)

letter of the alphabet

1. charger
2. battery charger

1. postpone, delay, defer
2. extend, prolong

1. extend, prolong, lengthen
2. extension, overtime

1. land, ground, soil
2. territory, area

to smoke (cigarettes, tobacco)