立正

lìzhèng
  1. to stand straight
  2. attention! (order to troops)

CEDICT

  1. attention (military command)
  2. to stand straight

Wiktionary

端正直立。通常在軍事或體操口令上，命令人在原地站好，挺胸正立。

重編國語辭典

Entry Composition

1 立 lì
  1. to stand
  2. to set up
  3. to establish
  4. to lay down
  5. to draw up
  6. at once
  7. immediately
2 正 zhèng
  1. straight
  2. upright
  3. proper
  4. main
  5. principal
  6. to correct
  7. to rectify
  8. exactly
  9. just (at that time)
  10. right (in that place)
  11. (math.) positive

Related entries

屹立 yìlì
  1. to tower
  2. to stand straight (of person's bearing)
注意力 zhùyìlì attention
他试图把注意力集中在信上。

He tried to concentrate on the letter.

Source: Tatoeba

注目 zhùmù
  1. attention
  2. to stare at
  3. to fix attention on sth
眼球 yǎnqiú
  1. eyeball
  2. (fig.) attention
心神 xīnshén
  1. mind
  2. state of mind
  3. attention
  4. (Chinese medicine) psychic constitution
他把全副心神放在學業上。

He applied himself to his study.

Source: Tatoeba