strengthening

1.

강하게 하는 것

make or become stronger.

:
•
he advises an application of fluoride to strengthen the teeth
:
build upnourishreinforcebuttressbraceunderpinunderproptoughentemperannealintensifypick upheightenfortifybolsterboosthardenstiffensteelcementincreaseadd tofuelrenewvitalizeheartenstep upescalatescale upupbeef upsupportback upconfirmbear outsubstantiatecorroborateauthenticateconsolidate
:
weakenease offsaprelaxdecreaseundermine
1.

강하게 하는 것

:
strengthen