Collins Chinese Dictionary Plus (3rd edition), 2011:
flicker [ˈflɪkər]
I vi
1
[light, candle] 闪(閃)烁(爍) shǎnshuò
2
[smile, look] 闪(閃)过(過) shǎnguò
II n
[c]
1
[of light, flames] 闪(閃)烁(爍) shǎnshuò
2
[of pain, fear] 一丝(絲) yīsī
3
[of smile] 闪(閃)现(現) shǎnxiàn