Encara no tenim significats per a "watchful caution".
1The amusement was gone from his face, replaced by a look of watchful caution.
2But still, his brand of watchful caution held sway.
3After struggling till both were hot and flushed, each relaxed his strain with watchful caution, and Tom said:
4"Prudence, my dear young lady-themost watchful caution-themost incessant study and suspicion of all that approach you."
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