1 to resist

2 to withstand

1 pit

2 stone

3 nucleus

4 nuclear

5 to examine

6 to check

7 to verify

1 core

2 nucleus

1 walnut

2 classifier: 个 gè

3 classifier: 棵 kē

1 to protect

2 to defend

3 to guard against

4 to prevent

1 to guard against the unexpected (idiom); just in case

2 prepared for any eventualities

1 frugality in order to prevent destitution (idiom)

1 internal disunity dissolves at the threat of an invasion from outside (idiom)

1 the emperor leads his troops into battle (idiom)

2 to take part personally in an expedition

1 lit. easy to dodge the spear in the open, hard to avoid a stab in the dark (idiom); it is hard to guard against secret conspiracies