Radical 103 疋 stands for clothing or bales of cloth. In the Hanzi-Trainer, it is used synonymously with the correct 正, because it seems helpful for the explanations and the interpretation clothing/cloth bale would be in conflict with other radicals.
Tip: Go to the radicals that are contained in this character and learn all the characters with this radical systematically!
Vocabulary
公证
gōng zhèng
notarization; notarized; acknowledgement
1107
证券
zhèng quàn
negotiable security (financial); certificate; stocks and bonds
4405
有价证券
yǒu jià zhèng quàn
securities; collateral (for loan)
4403
凭证
píng zhèng
proof; certificate; receipt; voucher
2651
证人
zhèng rén
witness
2650
证实
zhèng shí
to confirm (sth to be true); to verify
2649
辩证
biàn zhèng
investigate; dialectical
2648
证据
zhèng jù
evidence; proof; testimony
2385
求证
qiú zhèng
to seek proof; to seek confirmation
2377
保证
bǎo zhèng
guarantee; to guarantee; to ensure; to safeguard; to pledge
2160
论证
lùn zhèng
to prove a point; proof; to expound on; demonstrate or prove (through argument)
The app has many other functions, such as character selection according to difficulty, practice programs, handwriting recognition and success statistics!